LINDE HPR HYDRAULIC PUMP MANUFACTURER
LINDE HPR HYDRAULIC PUMP MANUFACTURER
Linde Hpr Hydraulic Pump   Kawasaki K5v Hydraulic Pump   Kawasaki K3vg Variable Displacement Axial Piston Pump  
English
English
  • Home
  • Stock Categories
    • Linde Hpr Hydraulic Pump
    • Kawasaki K5v Hydraulic Pump
    • Kawasaki K3vg Variable Displacement Axial Piston Pump
    • Kawasaki K3v Hydraulic Pump
    • Bosch Rexroth A8vo Variable Displacement Pumps
    • Bosch Rexroth A4vsg Axial Piston Variable Pump
    • Bosch Rexroth A7vo Variable Displacement Pumps
    • Bosch Rexroth A4vtg Axial Piston Variable Pump
    • Bosch Rexroth A4vso Variable Displacement Pumps
    • Bosch Rexroth A4vg Variable Displacement Pumps
    • Bosch Rexroth A4v Variable Pumps
    • Bosch Rexroth A10vg Axial Piston Variable Pump
    • Bosch Rexroth A10vo Piston Pumps
    • Bosch Rexroth A10vso Variable Displacement Pumps
    • Bosch Rexroth A11vg Hydraulic Pumps
    • Bosch Rexroth A11vlo Axial Piston Variable Pump
    • Bosch Rexroth A11vo Axial Piston Pump
    • Bosch Rexroth A15vso Axial Piston Pump
    • Bosch Rexroth A2fo Fixed Displacement Pumps
    • Bosch Rexroth A10vno Axial Piston Pumps
    • Bosch Rexroth A2v Variable Displacement Pumps
    • Kawasaki K3vl Axial Piston Pump
  • Technical Articles
  • Linde Hpr Hydraulic Pump
  • Kawasaki K5v Hydraulic Pump
  • Kawasaki K3vg Variable Displacement Axial Piston Pump
✖

Home

Stock Categories

Technical Articles

Linde Hpr Hydraulic Pump

Kawasaki K5v Hydraulic Pump

Kawasaki K3vg Variable Displacement Axial Piston Pump

Home>Products>Bosch Rexroth A4vtg Axial Piston Variable Pump>A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP

  • A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP
  • A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP

BOSCH REXROTH A4VTG71HW/32R-NSD10FXX1S-S MODELS

Need a CAD or 3D Model?

What is A4VTG71HW/32R-NSD10FXX1S-S bearing interchange？
Contact NowWhatsAppBe Our Agent

A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP

category

Bosch Rexroth A4vtg Axial Piston Variable Pump

BOSCH REXROTH A4VTG71HW/32R-NSD10FXX1S-S Bearing SPECIFICATIONS

  • LET OUR A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP EXPERTS GET 120.0000 mm D YOU THE 1.00 mm Fillet Radius rb PARTS YOU NEED.

  • BOSCH REXROTH

  • A4VTG71HW/32R-NSD10FXX1S-S

  • 120.0000 mm
  • 1.00 mm
  • 23.00 mm
  • 54000 N
  • 4900 rpm
  • 65.000 mm
  • 63700 N
  • 6400 rpm
LINDE HPR HYDRAULIC PUMP MANUFACTURER

LINDE HPR HYDRAULIC PUMP MANUFACTURERChina

  • LINDE HPR HYDRAULIC PUMP MANUFACTURER2020-07-10 09:46:19
    Welcome to my shop! Glad to serve you! Please send your question!
Price Inspection Certificate Product Specifications Company Profile

Bosch Rexroth A4vtg Axial Piston Variable Pump Specification details

  • 120.0000 mm
  • 1.00 mm
  • 23.00 mm
  • 54000 N
  • 4900 rpm
  • 65.000 mm
  • 63700 N
  • 6400 rpm
  • 1.50 mm

BOSCH REXROTH A4VTG71HW/32R-NSD10FXX1S-S Products and services A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP

 

A A7V 1000 LV 51RPFHO BOSCH REXROTH A7V HYDRAULIC PISTON PUMPFillet Radius ra:3.00 mm; Grease Speed Rating Open/Shielded n1:2100 rpm; Basic Static Radial Load Rating Co:300000 N; D:265.0000 mm; Oil Speed Rating Open/Shielded n2:2600 rpm; Accessories:Two Shields; d:100.000 mm; B:60.00 mm; Basic Dynamic Radial Load Rating C:251000 N;
A4VTG71EP4/32R-NLD10F001SP-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPWidth A:1.5000 in; Insert Bearing IB:ZMaRC; Basic Dynamic Radial Load Rating:4380 lbf; Shaft Diameter D:1 3/16 in; Thread Diameter G:7/16-14; Dimension S1:0.8750 in; Dimension H1:1.6875 in; Dimension L:3.8750 in; Distance J:3.0000 in; Weight W:3.50 lb; Height H:3.3750 in; Basic Static Radial Load Rating Co:2520 lbf; Dimension F:0.6250 in;
A4VTG90EP4M1/32L-NSD10F071SH-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPFillet Radius ra:2.00 mm; Oil Speed Rating Max. n2:6500 rpm; D:160.3000 mm; Keyway f:6.4 mm; X-L-O Part Number:165-87; Grease Speed Rating Max. n1:5000 rpm; B:76.20 mm; Preload:50 lb; Keyway e:89.5 mm; d:88.903 mm; Oil Mist Speed Rating Max. n3:9000 rpm;
A4VTG90HW/32R-NSD10F001S *G* BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPBasic Dynamic Radial Load Rating C:291000 N; Oil Speed Rating Open/Shielded n2:1400 rpm; Fillet Radius ra:3.00 mm; Accessories:One Seal; D:480.0000 mm; B:56.00 mm; Sealed Speed Rating n3:700 rpm; Grease Speed Rating Open/Shielded n1:1100 rpm; Basic Static Radial Load Rating Co:440000 N; d:360.000 mm;
V-PUMPE A7V 080LRD/60L-DPB1 *G* BOSCH REXROTH A7V HYDRAULIC PISTON PUMPGrease Speed Rating n1:3800 rpm; Oil Speed Rating n2:5000 rpm; Fillet Radius ra:2.00 mm; Sealed Speed Rating n3:3800 rpm; D:120.0000 mm; Accessories:One Seal & Snap-Ring; Basic Static Radial Load Rating Co:81500 N; d:55.000 mm; Basic Dynamic Radial Load Rating C:106000 N; B:49.20 mm;
A4VTG90HW/32R-NLD10F001S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPOuther Width C:14 mm; Bore Diameter D:20 mm; Weight W:0.14 kg; Outside Diameter D2:47 mm; Basic Dynamic Radial Load Rating:10600 N; Set Screw Size SSS:M6*0.75*5; Max Fillet Rad. MFR:0.6 mm; Basic Static Radial Load Rating Co:6550 N; Inner Width B:31.0 mm; Dimension S:12.7 mm; Dimension D3:28.20 mm;
A4VTG71EP3-32L-NXD13K041EC-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPBasic Static Radial Load Rating Co:62000 N; Sealed Speed Rating n3:3400 rpm; d:55.000 mm; Accessories:Two Seals; D:140.0000 mm; B:33.00 mm; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:99500 N; Grease Speed Rating Open/Shielded n1:5000 rpm; Oil Speed Rating Open/Shielded n2:6000 rpm;
A4VTG71EP3/32L-NXD10F011SH-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPAccessories:One Seal; Fillet Radius ra:0.30 mm; Basic Static Radial Load Rating Co:1460 N; d:17.000 mm; D:26.0000 mm; Basic Dynamic Radial Load Rating C:2250 N; Grease Speed Rating Open/Shielded n1:24000 rpm; Oil Speed Rating Open/Shielded n2:30000 rpm; Sealed Speed Rating n3:16000 rpm; B:5.00 mm;
A4VTG90EP2/32L-NXD10F001S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPB:27.00 mm; Basic Dynamic Radial Load Rating C:68200 N; Oil Speed Rating Open/Shielded n2:6500 rpm; d:40.000 mm; Grease Speed Rating Open/Shielded n1:5300 rpm; Accessories:Two Shields & Snap-R; Fillet Radius ra:2.00 mm; Basic Static Radial Load Rating Co:52000 N; D:110.0000 mm;
A A7V 250 LV 51RPFHO-SO BOSCH REXROTH A7V HYDRAULIC PISTON PUMPAccessories:Two Shields; Basic Dynamic Radial Load Rating C:130000 N; Sealed Speed Rating n3:2400 rpm; D:160.0000 mm; d:90.000 mm; Oil Speed Rating n2:3400 rpm; Basic Static Radial Load Rating Co:120000 N; Grease Speed Rating n1:2400 rpm; Fillet Radius ra:2.00 mm; B:52.40 mm;
A4VTG71HW/32R-NLD10F001S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPBasic Dynamic Radial Load Rating C:128000 N; Grease Speed Rating n1:2800 rpm; Sealed Speed Rating n3:2800 rpm; D:140.0000 mm; Oil Speed Rating n2:3800 rpm; Fillet Radius ra:2.00 mm; B:44.40 mm; d:80.000 mm; Accessories:One Seal & Snap-Ring; Basic Static Radial Load Rating Co:160000 N;
A4VTG71EP4T/32R-NLD13F001SP-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPBasic Dynamic Radial Load Rating C:133000 N; Accessories:Two Shields & Snap-R; B:41.00 mm; Oil Speed Rating Open/Shielded n2:4300 rpm; d:85.000 mm; Basic Static Radial Load Rating Co:96500 N; Fillet Radius ra:2.50 mm; Oil Speed Rating n2:4300 rpm; D:180.0000 mm; Grease Speed Rating n1:3600 rpm; Sealed Speed Rating n3:2400 rpm; Grease Speed Rating Open/Shielded n1:3600 rpm;
A4VTG90HW-32R-NLD10F001S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPBasic Dynamic Radial Load Rating C:42300 N; Basic Static Radial Load Rating Co:35500 N; Fillet Radius ra:1.00 mm; B:20.00 mm; d:75.000 mm; Sealed Speed Rating n3:3400 rpm; Grease Speed Rating Open/Shielded n1:5600 rpm; Oil Speed Rating Open/Shielded n2:6700 rpm; Accessories:Seal & Snap-Ring; D:115.0000 mm;
A4VTG71EP2-32L-NLD10FXX1SG-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPD:95.0000 mm; Oil Speed Rating Open/Shielded n2:8000 rpm; Basic Dynamic Radial Load Rating C:32500 N; Accessories:Shield & Seal; Fillet Radius ra:1.00 mm; Grease Speed Rating Open/Shielded n1:6700 rpm; d:60.000 mm; Sealed Speed Rating n3:4300 rpm; B:18.00 mm; Basic Static Radial Load Rating Co:25000 N;
A4VTG90HW/32R-NLD10F011S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPd:55.000 mm; Basic Dynamic Radial Load Rating C:66000 N; Grease Speed Rating n1:4300 rpm; Sealed Speed Rating n3:4300 rpm; Oil Speed Rating n2:5600 rpm; B:33.30 mm; D:100.0000 mm; Accessories:Shield & Seal & Snap; Fillet Radius ra:1.50 mm; Basic Static Radial Load Rating Co:76500 N;
A4VTG90EP3/32L-NSD10F071SP-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMPGrease Speed Rating n1:9000 rpm; D:62.0000 mm; Basic Dynamic Radial Load Rating C:24200 N; Fillet Radius ra:1.00 mm; Basic Static Radial Load Rating Co:13400 N; B:17.00 mm; Oil Speed Rating n2:13000 rpm; d:25.000 mm;

 

 

No.BrandBDdDadaD2RTypeRadius
A4VTG90HW/32L-NLD10F011S-SBOSCH REXROTH70.00 mm150.0000 mm70.000 mm - - - - -
A7V107BOSCH REXROTH46.00 mm120.0000 mm65.000 mm - - - - -
A4VTG90EP4/32R-NSD10F041SP-SBOSCH REXROTH36.00 mm190.0000 mm105.000 mm - - - - -
A7V0160LRD-60L-PZB1BOSCH REXROTH23.80 mm62.0000 mm30.000 mm - - - - -
A7V500LV51LPFHF-VBOSCH REXROTH38.10 mm120.0000 mm65.000 mm - - - - -
A7V28HDBOSCH REXROTH42.00 mm180.0000 mm70.000 mm - - - - -
A7VSL1000EL51LZFODBOSCH REXROTH35.00 mm150.0000 mm70.000 mm - - - - -
A7V107LVBOSCH REXROTH31.75 mm68.2600 mm31.750 mm - - - - -
A4VTG71HW/32R-NSD10FXX1S-SBOSCH REXROTH23.00 mm120.0000 mm65.000 mm - - - - -
A4VTG71EZ1/32L-NXD10F071S-SBOSCH REXROTH54.00 mm225.0000 mm90.000 mm - - - - -
A4VTG90HW/32R-NSD10F001S *G*BOSCH REXROTH56.00 mm480.0000 mm360.000 mm - - - - -
A4VTG71EP2/32+A2FO10/61BOSCH REXROTH20.64 mm52.0000 mm25.000 mm - - - - -
A4VTG71EP3-32R-NSD10F001ST-SBOSCH REXROTH22.00 mm165.0000 mm120.000 mm - - - - -
A7V20MA1RPGBOSCH REXROTH60.00 mm265.0000 mm100.000 mm - - - - -
A4VTG090HW100/33MLNC4C92F0000AS-BOSCH REXROTH14.00 mm47.0000 mm20.000 mm - - - - -
A4VTG71EZ1-32+A4VTG71EZ1-32BOSCH REXROTH19.00 mm72.0000 mm30.000 mm - - - - -
A4VTG90EP2/32L-NUD10K021EH-SBOSCH REXROTH35.00 mm225.0000 mm150.000 mm - - - - -
A4VTG90HW/32R-NSD10F011S-SBOSCH REXROTH16.00 mm80.0000 mm50.000 mm - - - - -
A4VTG71HW/32R-NSD10F001SBOSCH REXROTH68.00 mm180.0000 mm100.000 mm - - - - -
A4VTG71HWL/32R-NLD10F001S-SBOSCH REXROTH11.99 mm22.0000 mm8.000 mm - - - - -
A4VTG71HW-32L-NLD10F001SBOSCH REXROTH46.00 mm180.0000 mm100.000 mm - - - - -
A4VTG90EP2/32L-NUD10K021EH-SBOSCH REXROTH39.69 mm100.0000 mm45.000 mm - - - - -
A7V107LV2.OLZF0DBOSCH REXROTH - 15.9000 mm6.400 mm - - - - -
A4VTG71EP4/32L-NLD10FXX1SGT-SBOSCH REXROTH22.20 mm52.0000 mm25.000 mm - - - - -
A4VTG090HW100/33MRNC4C92F0000AS-BOSCH REXROTH38.00 mm72.0000 mm30.000 mm - - - - -
A4VTG90EZ2M/32R-NUD10F011SH-SBOSCH REXROTH18.00 mm32.0000 mm15.000 mm - - - - -
A4VTG90HW-32R-NLD10F001S-SBOSCH REXROTH61.90 mm140.0000 mm65.000 mm - - - - -

 

A4VTG71HW/32R-NSD10FXX1S-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP Video

 

A4VTG90 Pumps A4VTG Bosch Rexroth - Pressoil

– Variable axial piston Bosch Rexroth pump of swashplate design for hydrostatic drives in closed circuit. – The flow is proportional to the drive speed and ...

Axial Piston Variable Pump A4VG

We recommend that all DG applications be reviewed by a Bosch. Rexroth application engineer. If the pump is also equipped with a DA control valve (see page 17), ...

A4VG series 32 - Axial piston variable pump | Bosch Rexroth AG

High pressure pump for applications in closed circuits; Size 28 … 125; Nominal pressure 400 bar; Maximum pressure 450 bar; Closed circuit; Metric version.

Rexroth Axial Piston Variable Pump A4VG

- Size 71 … 90, such as A4VTG 071 EP3**/33R, A4VTG 090 EP4**/33R. - Nominal pressure 400 bar.

Axial Piston Variable Pump A4VTG - Airline Hydraulics

Variable axial piston pump of swashplate design for hydro-. – static drives in closed circuit. The flow is proportional to the drive speed and displacement.24 pages

Axial Piston Variable Pump A4VTG

Bosch Rexroth AG. 5/52. About this document. Abbreviations used. 1.2. As umbrella term for "A4VTG axial piston variable pump", the designation "axial piston ...52 pages

BOSCH REXROTH A4VTG71HW/32R-NSD10FXX1S-S INTERCHANGE

Bosch Rexroth A4vtg Axial Piston Variable Pump Part series A4VTG71HW/32R-NSD10FXX1S-S is a potential replacement for these common bearing part numbers:

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

  • A4VTG71HW/32R-NSD10FXX1S-S

Contact Us

LINDE HPR HYDRAULIC PUMP MANUFACTURER
Address
Phone(Working Time)
Fax
  • LINDE HPR HYDRAULIC PUMP MANUFACTURER
    • Quick question Quick question I'm very interested in your products; could you send me some detail reference information? Please send me detail product specification, thank you! May I be an agency of your products,and what's yourterms? We intend to purchase this product, would you please send me the quotation and minimum order quantity?
     This feature is Quick question function, select the corresponding question types, automatically enter the corresponding problem, remove your trouble of typing
Send Now

BOSCH REXROTH A4VTG71HW/32R-NSD10FXX1S-S Technical Articles

How do you calculate piston pump displacement?
Area of piston pump given volumetric displacement CalculatorThe Area of piston pump given volumetric displacement formula is defined as the ratio of volumetric displacement to the product of number of pistons and stroke  Flow rate characteristics of 9...
How is displacement determined by piston pumps?
The Basics Of Variable Displacement Pump Controls - CrossCoSep 2, 2016 — Open Loop – Variable Displacement Piston Pumps · Pressure Compensation – Reduced Flow After Reaching Set Pressure · Load Sense – Let the Load  Types of Hydraulic Pumps - Muncie...
How is the displacement change in an axial piston pump?
Displacement Control In Variable Displacement Axial Piston Nov 15, 2017 — Abstract and Figures ; strongly affects the swivel torque on the swashplate and hence the dynamic response of. the variable displacement pump. VPPL - DuplomaticThe VPPL are...

Bosch Rexroth A4vtg Axial Piston Variable Pump CATEGORIES

  • Linde Hpr Hydraulic Pump
  • Kawasaki K5v Hydraulic Pump
  • Kawasaki K3vg Variable Displacement Axial Piston Pump
  • Kawasaki K3v Hydraulic Pump
  • Bosch Rexroth A8vo Variable Displacement Pumps
  • Bosch Rexroth A4vsg Axial Piston Variable Pump
  • Bosch Rexroth A7vo Variable Displacement Pumps
  • Bosch Rexroth A4vtg Axial Piston Variable Pump
  • Bosch Rexroth A4vso Variable Displacement Pumps
  • Bosch Rexroth A4vg Variable Displacement Pumps
  • Bosch Rexroth A4v Variable Pumps
  • Bosch Rexroth A10vg Axial Piston Variable Pump
  • Bosch Rexroth A10vo Piston Pumps
  • Bosch Rexroth A10vso Variable Displacement Pumps
  • Bosch Rexroth A11vg Hydraulic Pumps
  • Bosch Rexroth A11vlo Axial Piston Variable Pump
  • Bosch Rexroth A11vo Axial Piston Pump
  • Bosch Rexroth A15vso Axial Piston Pump
  • Bosch Rexroth A2fo Fixed Displacement Pumps
  • Bosch Rexroth A10vno Axial Piston Pumps
  • Bosch Rexroth A2v Variable Displacement Pumps
  • Kawasaki K3vl Axial Piston Pump
More

Customers Who Viewed BOSCH REXROTH A4VTG71HW/32R-NSD10FXX1S-S Bearing Also Viewed

  • A4VTG71HW/32R-NLD10F011S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP
  • A7V16 BOSCH REXROTH A7V HYDRAULIC PISTON PUMP
  • A4VTG90EP2/32R-NLD10F011SGH-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP
  • A4VTG90EP4/32R-NLD10F001ST-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP
  • A4VTG90EP2T/32R-NLD10F001SH-S BOSCH REXROTH A4VTG AXIAL PISTON VARIABLE PUMP
 
  • About Us|
  • Contact Us|
  • Site Map
  • Sitemaps

LINDE HPR HYDRAULIC PUMP MANUFACTURER. Copyright © 2017 - 2023 All Rights Reserved.

  • Home
  • Stock Categories
    • Linde Hpr Hydraulic Pump
    • Kawasaki K5v Hydraulic Pump
    • Kawasaki K3vg Variable Displacement Axial Piston Pump
    • Kawasaki K3v Hydraulic Pump
    • Bosch Rexroth A8vo Variable Displacement Pumps
    • Bosch Rexroth A4vsg Axial Piston Variable Pump
    • Bosch Rexroth A7vo Variable Displacement Pumps
    • Bosch Rexroth A4vtg Axial Piston Variable Pump
    • Bosch Rexroth A4vso Variable Displacement Pumps
    • Bosch Rexroth A4vg Variable Displacement Pumps
    • Bosch Rexroth A4v Variable Pumps
    • Bosch Rexroth A10vg Axial Piston Variable Pump
    • Bosch Rexroth A10vo Piston Pumps
    • Bosch Rexroth A10vso Variable Displacement Pumps
    • Bosch Rexroth A11vg Hydraulic Pumps
    • Bosch Rexroth A11vlo Axial Piston Variable Pump
    • Bosch Rexroth A11vo Axial Piston Pump
    • Bosch Rexroth A15vso Axial Piston Pump
    • Bosch Rexroth A2fo Fixed Displacement Pumps
    • Bosch Rexroth A10vno Axial Piston Pumps
    • Bosch Rexroth A2v Variable Displacement Pumps
    • Kawasaki K3vl Axial Piston Pump
  • Technical Articles
  • Linde Hpr Hydraulic Pump
  • Kawasaki K5v Hydraulic Pump
  • Kawasaki K3vg Variable Displacement Axial Piston Pump
✖

Home

Stock Categories

Technical Articles

Linde Hpr Hydraulic Pump

Kawasaki K5v Hydraulic Pump

Kawasaki K3vg Variable Displacement Axial Piston Pump

Contact Us